/* ===== OptimWize - Full Site Styles ===== */

/* ------------- Variables ------------- */
:root{
  --bg: #fbfcfe;
  --text: #223;
  --muted: #5b6770;
  --card-bg: #ffffff;
  --glass: rgba(255,255,255,0.7);

  /* Gradient glow stops */
  --g1: #8a6cff; 
  --g2: #6ea8ff; 
  --g3: #48d1c9; 

  --accent: #6ea8ff;
  --cta: #ffb86b;
  --shadow: rgba(17,24,39,0.06);
  --radius: 12px;
  --max-width: 1200px;

  --header-height: 80px;
}

/* ------------- Reset ------------- */
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  font-family:'Roboto', system-ui,-apple-system,"Segoe UI", Roboto,"Helvetica Neue",Arial;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  line-height:1.6;
}
.container{max-width:var(--max-width);margin:0 auto;padding:0 24px;}

/* ------------- Header ------------- */
/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1200;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(6px);
  padding: 18px 0;
  box-shadow: 0 6px 18px rgba(12,18,34,0.04);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo img {
  display: block;
  height: 48px;  /* adjust size as needed */
  width: auto;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 24px;
  align-items: center;
  margin: 0;
  padding: 0;
}

.nav-links a {
  text-decoration: none;
  color: var(--g2);
  font-weight: 500;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--g3);
}

.nav-links a.active {
  font-weight: 700;
  color: var(--g3);
}

.cta-btn {
  padding: 8px 18px;
  border-radius: 10px;
  background: linear-gradient(90deg, var(--g2), var(--g3));
  color: #fff;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 6px 16px rgba(78,137,255,0.12);
  transition: transform 0.18s, filter 0.18s;
}

.cta-btn:hover {
  transform: translateY(-3px);
  filter: brightness(1.05);
}

/* Mobile responsive */
@media (max-width:880px) {
  .nav-links { display: none; } 
}



/* ------------- Main spacing ------------- */
main{ padding-top: var(--header-height); }

/* ------------- Hero ------------- */
.hero{ position:relative; padding:120px 0 60px; text-align:center; display:flex; align-items:center; justify-content:center; overflow:visible; }
.hero .container{ position:relative; z-index:2; }
.hero h1{ font-family:'Montserrat',sans-serif; font-weight:700; font-size:2.6rem; color:#0f1b34; margin-bottom:16px; line-height:1.05; }
.hero p{ color:var(--muted); max-width:760px; margin:0 auto 26px; font-size:1.05rem; }
.hero::before,.hero::after{ content:""; position:absolute; z-index:1; pointer-events:none; filter: blur(72px); opacity:0.65; transform: translateZ(0); }
.hero::before{ width:520px;height:520px;border-radius:50%; background:radial-gradient(circle at 30% 30%,var(--g1),transparent 40%); top:-140px; left:-90px; animation: floatA 12s ease-in-out infinite alternate; }
.hero::after{ width:420px;height:420px;border-radius:50%; background:radial-gradient(circle at 70% 70%,var(--g2),transparent 40%); top:-80px; right:-80px; animation: floatB 14s ease-in-out infinite alternate-reverse; }
@keyframes floatA{ to { transform: translateY(18px) translateX(12px) } }
@keyframes floatB{ to { transform: translateY(-18px) translateX(-10px) } }
.cta-hero{ display:inline-block; text-decoration:none; padding:12px 28px; border-radius:10px; font-weight:700; color:#fff; background: linear-gradient(90deg,var(--g2), var(--g3)); box-shadow:0 10px 30px rgba(78,137,255,0.12); transition: transform .18s; }
.cta-hero:hover{ transform:translateY(-4px); }

/* ------------- Section Titles ------------- */
.section-title{text-align:center; margin:10px 0 20px; color:#0f1b34; font-family:'Montserrat',sans-serif; font-weight:700; font-size:1.5rem;}
.section-sub{text-align:center; color:var(--muted); margin-bottom:26px; max-width:780px; margin-left:auto;margin-right:auto;}

/* ------------- Cards / Services / About ------------- */
.services-cards,.about-cards{ display:grid; grid-template-columns: repeat(auto-fit,minmax(260px,1fr)); gap:28px; align-items:stretch; margin-top:18px; }
.service-card{ background:var(--card-bg); border-radius: var(--radius); padding:28px; box-shadow:0 10px 30px var(--shadow); text-align:center; display:flex; flex-direction:column; gap:12px; transition: transform .28s ease, box-shadow .28s ease; }
.service-card:hover{ transform:translateY(-8px); box-shadow:0 18px 44px rgba(8,12,24,0.08); }
.card-icon{ width:80px; height:80px; margin:0 auto; display:block; filter: drop-shadow(0 6px 18px rgba(78,137,255,0.06)); }
.service-card h3{ font-family:'Montserrat',sans-serif; color:#0f1b34; font-size:1.15rem; margin-top:6px; }
.service-card p{ color:var(--muted); font-size:1rem; flex:1; }

/* ------------- Clients ------------- */
.client-logos{ display:flex; gap:18px; flex-wrap:wrap; justify-content:center; margin-top:18px; }
.logo-item{ background:var(--card-bg); padding:18px 22px; border-radius:10px; box-shadow:0 8px 22px var(--shadow); text-align:center; }
.logo-item img{ max-width:120px; max-height:60px; }

/* ------------- Contact page ------------- */
.contact-page{ padding:60px 0; }
form{ display:flex; flex-direction:column; gap:12px; max-width:520px; margin:12px auto 0; }
form input, form textarea{ padding:12px 14px; border-radius:10px; border:1px solid #e5e9ef; outline:none; font-size:1rem; background: linear-gradient(180deg, rgba(255,255,255,0.9), rgba(250,250,252,0.95)); box-shadow: inset 0 1px 0 rgba(255,255,255,0.6); }
form button{ border:0; background: linear-gradient(90deg,var(--g2),var(--g3)); color:white; padding:12px 18px; border-radius:10px; font-weight:700; cursor:pointer; }

/* ------------- Footer ------------- */
footer{ border-top:1px solid #edf2f7; padding:26px 0; text-align:center; color:var(--muted); font-size:0.95rem; background:transparent; }

/* ------------- Reveal Animations ------------- */
.reveal{ opacity:0; transform:translateY(26px); transition: opacity .7s ease, transform .7s ease; will-change: transform, opacity; }
.reveal.visible{ opacity:1; transform:translateY(0); }
[data-delay]{ opacity:0; transform:translateY(18px); transition:opacity .55s ease, transform .55s ease; }

/* ------------- Responsive ------------- */
@media (max-width:880px){ 
  .hero{ padding:90px 0 40px; } 
  .hero h1{ font-size:2rem; } 
  nav { display:none; }
  .container{ padding:0 18px; } 
}
@media (max-width:480px){ 
  .hero h1{ font-size:1.6rem; } 
  .service-card{ padding:20px; } 
  .card-icon{ width:64px; height:64px; } 
}
header img {
  max-width: 100%;
  height: auto;  /* keeps the aspect ratio */
  display: block; /* removes extra space below image */
}